BRAF Negative

**Semantic type:** Laboratory or Test Result

**Definition:** An indication that BRAF expression has not been detected in a sample.

**Synonyms:** - B-RAF Negative - B-RAF1 Negative - KRAB Negative - RAFB1 Negative - Serine/Threonine-Protein Kinase B-Raf Negative - v-raf Murine Sarcoma Viral Oncogene Homolog B Negative